Patent · US Expired

Printing ink in dry, powdered form

US4756759A · kind A · utility

7Cited by

4References

11Claims

0Family size

Assignee

SICPA HOLDING SA · CH

Inventors

Albert Amon · Lausanne, CH
Haim Bretler · Lausanne, CH

Key dates

Filing date	Mar 17, 1987
Grant date	Jul 12, 1988
Priority date	—
Expiry date	Mar 17, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D11/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method for preparing a flexographic or gravure printing ink in dry, powdered form. The method comprises comminuting a blend of all ink components, the solvents excluded, under oxygen free and temperature controlled conditions. The powder obtained is homogeneous, dust free, solid, dry and free-flowing and provides a ready-for-use printing ink on simply stirring with the normally used solvents.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.